/*
 *  Copyright 2013 National Institute of Advanced Industrial Science and Technology
 *  
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *  
 *      http://www.apache.org/licenses/LICENSE-2.0
 *  
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 */

package org.sss.server;

import java.util.List;
import java.util.UUID;

import org.sss.common.CommonStatus;
import org.sss.common.Inlet;
import org.sss.mapreduce.Configuration;
import org.sss.mapreduce.Mapper;
import org.sss.mapreduce.SssException;
import org.sss.mapreduce.StorageNode;
import org.sss.util.CallbackInterface;

public abstract class MapTaskBase extends ProcTask<Mapper, Mapper.Context, List<byte[]>> {

  public MapTaskBase(TaskSet taskSet,
                     UUID jobID,
                     SssServerResource sssResource,
                     Configuration conf,
                     StorageNode storageNode,
                     Inlet inlet,
                     Class<? extends Mapper> mapperClass,
                     List<org.sss.common.Outlet> outletList,
                     CallbackInterface<CommonStatus> doneCallback) throws SssException {
    super(taskSet, jobID, sssResource, conf, storageNode, inlet, mapperClass, outletList, doneCallback, 
          sssResource.getServerConfiguration().map_output_cache_nbytes,
          sssResource.getServerConfiguration().map_output_queue_multiplicity,
          sssResource.getServerConfiguration().map_output_queue_limit_nbytes);
  }

  @Override
  protected void configure() throws Exception {
    getProc().configure(createContext());
  }

  @Override
  protected Mapper.Context createContextImpl(ContextImpl impl) {
    return new Context(impl);
  }

  private class Context extends ContextBase implements Mapper.Context {
    public Context(ContextImpl impl) {
      super(impl);
    }
  }
}
